May 1, 2023·66 min

Hae-jun discovers a time machine while Yoon-young struggles with her busy job until tragedy strikes.

May 2, 2023·67 min

Yoon-young thinks that it could be a good thing that she somehow ended up in 1987 and met Soon-ae.

May 8, 2023·63 min

Yoon-young joins Soon-ae's class as planned, but a sudden twist drastically disrupts everything.

May 9, 2023·60 min

Hae-jun's expectations are challenged as events unfold, until a student teacher enters the scene.

May 15, 2023·61 min

Yoon-young's choice to withhold the specifics of her reasons for staying might have been an error.

May 16, 2023·61 min

Despite Hae-jun's confidence in his thorough preparations, it turns out they are insufficient.

May 22, 2023·60 min

Hae-jun and Yoon-young find relief, but their narrow focus may lead to unforeseen consequences.

May 23, 2023·62 min

The truth dawns on Hae-jun and Yoon-young that they are bound by certain inescapable factors.

May 29, 2023·59 min

Despite grappling with the grief of her sister's death, Soon-ae's primary concern lies with Hee-sub.

May 30, 2023·60 min

With an awareness of how small details can alter everything, Hae-jun directs his attention to Hae-kyung.

Jun 5, 2023·61 min

Not all women who read are dangerous, but the ones around Soon-ae might be a little too dangerous.

Jun 6, 2023·63 min

The complexity of the case deepens as Hae-jun and Yoon-young investigate, causing confusion to mount.

Jun 12, 2023·63 min

Hae-jun is caught in an unfortunate coincidence, with everything pointing to him as the murderer.

Jun 13, 2023·63 min

Hae-jun realizes that investigating the case might have affected someone very close to him.

Jun 19, 2023·61 min

Looking into the eyes of the culprit who stands staring down at Hae-jun leaves him speechless.

Jun 20, 2023·63 min

Farewells exchanged, Yoon-young and Hae-jun journey to meet them again on the other side of the timeline.